Home / 12,742.46-19,113.51-6,169.22

Finding the Fourth Proportional to 12,742.46, 19,113.51 and 6,169.22

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Solution

The fourth proportional to 12,742.46, 19,113.51 and 6,169.22 is: 9,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,742.46 : 19,113.51 = 6,169.22 : x
  2. Step 2: Convert to fraction form
    12,742.46/19,113.51 = 6,169.22/x
  3. Step 3: Cross multiply
    12,742.46x = 19,113.51 × 6,169.22
  4. Step 4: Simplify right side
    12,742.46x = 117,915,448.16
  5. Step 5: Solve for x
    x = 117,915,448.16/12,742.46
  6. Step 6: Final answer
    x = 9,253.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.